diff options
| -rw-r--r-- | ui/jquery.ui.position.js | 62 |
1 files changed, 37 insertions, 25 deletions
diff --git a/ui/jquery.ui.position.js b/ui/jquery.ui.position.js index 98b8198e2..184571154 100644 --- a/ui/jquery.ui.position.js +++ b/ui/jquery.ui.position.js @@ -28,6 +28,7 @@ $.fn.position = function( options ) { options = $.extend( {}, options ); var target = $( options.of ), + within = $( options.within || window ), targetElem = target[0], collision = ( options.collision || "flip" ).split( " " ), offsets = {}, @@ -36,6 +37,8 @@ $.fn.position = function( options ) { targetHeight, basePosition; + options.within = within; + if ( targetElem.nodeType === 9 ) { targetWidth = target.width(); targetHeight = target.height(); @@ -168,7 +171,8 @@ $.fn.position = function( options ) { collisionHeight: collisionHeight, offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ], my: options.my, - at: options.at + at: options.at, + within: within }); } }); @@ -183,12 +187,14 @@ $.fn.position = function( options ) { $.ui.position = { fit: { left: function( position, data ) { - var win = $( window ), - overLeft = win.scrollLeft() - data.collisionPosition.left, - overRight = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft(); + var win = $( data.within ), + winOffset = win.offset(), + outerWidth = win.outerWidth(), + overLeft = win.scrollLeft() - data.collisionPosition.left + winOffset.left, + overRight = data.collisionPosition.left + data.collisionWidth - outerWidth - win.scrollLeft() - winOffset.left; // element is wider than window or too far left -> align with left edge - if ( data.collisionWidth > win.width() || overLeft > 0 ) { + if ( data.collisionWidth > outerWidth || overLeft > 0 ) { position.left = position.left + overLeft; // too far right -> align with right edge } else if ( overRight > 0 ) { @@ -199,12 +205,14 @@ $.ui.position = { } }, top: function( position, data ) { - var win = $( window ), - overTop = win.scrollTop() - data.collisionPosition.top, - overBottom = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop(); + var win = $( data.within ), + winOffset = win.offset(), + outerHeight = win.outerHeight(), + overTop = win.scrollTop() - data.collisionPosition.top + winOffset.top, + overBottom = data.collisionPosition.top + data.collisionHeight - outerHeight - win.scrollTop() - winOffset.top; // element is taller than window or too far up -> align with top edge - if ( data.collisionHeight > win.height() || overTop > 0 ) { + if ( data.collisionHeight > outerHeight || overTop > 0 ) { position.top = position.top + overTop; // too far down -> align with bottom edge } else if ( overBottom > 0 ) { @@ -220,8 +228,12 @@ $.ui.position = { if ( data.at[ 0 ] === center ) { return; } - var win = $( window ), - over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft(), + var win = $( data.within ), + winOffset = win.offset(), + outerWidth = win.outerWidth(), + overLeft = data.collisionPosition.left - winOffset.left, + overRight = data.collisionPosition.left + data.collisionWidth - outerWidth - win.scrollLeft() - winOffset.left, + left = data.my[ 0 ] === "left", myOffset = data.my[ 0 ] === "left" ? -data.elemWidth : data.my[ 0 ] === "right" ? @@ -231,19 +243,21 @@ $.ui.position = { data.targetWidth : -data.targetWidth, offset = -2 * data.offset[ 0 ]; - position.left += data.collisionPosition.left < 0 ? - myOffset + atOffset + offset : - over > 0 ? - myOffset + atOffset + offset : - 0; + if ( overLeft < 0 || overRight > 0 ) { + position.left += myOffset + atOffset + offset; + } }, top: function( position, data ) { if ( data.at[ 1 ] === center ) { return; } - var win = $( window ), - over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop(), - myOffset = data.my[ 1 ] === "top" ? + var win = $( data.within ), + winOffset = win.offset(), + outerHeight = win.outerHeight(), + overTop = data.collisionPosition.top - winOffset.top, + overBottom = data.collisionPosition.top + data.collisionHeight - outerHeight - win.scrollTop() - winOffset.top, + top = data.my[ 1 ] === "top", + myOffset = top ? -data.elemHeight : data.my[ 1 ] === "bottom" ? data.elemHeight : @@ -252,11 +266,9 @@ $.ui.position = { data.targetHeight : -data.targetHeight, offset = -2 * data.offset[ 1 ]; - position.top += data.collisionPosition.top < 0 ? - myOffset + atOffset + offset : - over > 0 ? - myOffset + atOffset + offset : - 0; + if ( overTop < 0 || overBottom > 0) { + position.top += myOffset + atOffset + offset; + } } } }; @@ -297,4 +309,4 @@ if ( $.uiBackCompat !== false ) { }( jQuery ) ); } -}( jQuery ) ); +}( jQuery ) );
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